Exclude chromeos related drive files from non-chromeos build
Exclude chromeos related drive files from non-chromeos build

BUG=533750
TEST=build passes

Review URL: https://codereview.chromium.org/1883093004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#387864}

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